<template>
	<view class="container">
		<view class="carousel" v-if="product.picture != null">
			<swiper indicator-dots circular=true duration="400">
				<swiper-item class="swiper-item">
					<view class="image-wrapper">
						<image :src="imgPath(product.picture)" class="loaded" mode="aspectFill"></image>
					</view>
				</swiper-item>
			</swiper>
		</view>
		<view class="introduce-section">
			<text class="title">{{product.goodName}}</text>
			<view class="price-box">
				<text class="price-tip">¥</text>
				<text class="price">{{product.price}}</text>
			</view>
			<view class="bot-row">
				<text>库存: {{product.stock}}</text>
			</view>
		</view>

		<view class="detail-desc">
			<view class="d-header">
				<text>详情</text>
			</view>
			<!-- <rich-text class="text" :nodes="product.description"></rich-text> -->
			<text>{{product.description}}</text>
			<image :src="imgPath(product.picture)" class="loaded" mode="aspectFill"></image>
		</view>
		<!-- 评价 -->
		<view class="eva-section">
			<view class="e-header">
				<text class="tit">评价</text>
				<text>(2)</text>
				<text class="tip">好评率 100%</text>
				<text class="yticon icon-you"></text>
			</view>
			<view class="eva-box">
				<image class="portrait" src="http://img3.imgtn.bdimg.com/it/u=1150341365,1327279810&fm=26&gp=0.jpg"
					mode="aspectFill"></image>
				<view class="right">
					<text class="name">Leo yo</text>
					<text class="con">商品收到了，79元两件，质量不错，试了一下有点瘦，但是加个外罩很漂亮，我很喜欢</text>
					<view class="bot">
						<text class="attr">购买类型：XL 红色</text>
						<text class="time">2023-08-18 19:21</text>
					</view>
				</view>
			</view>
			<view class="eva-box">
				<image class="portrait" src="http://img3.imgtn.bdimg.com/it/u=1150341365,1327279810&fm=26&gp=0.jpg"
					mode="aspectFill"></image>
				<view class="right">
					<text class="name">Leo yo</text>
					<text class="con">商品收到了，32元两件，质量不错</text>
					<view class="bot">
						<text class="attr">购买类型：XL 黑色</text>
						<text class="time">2023-08-19 19:21</text>
					</view>
				</view>
			</view>
		</view>

		<view class="top">推荐商品</view>
		<view class="guess-section">
			<view v-for="(item, index) in goodsList" :key="index" class="guess-item" @click="navToDetailPage(item)">
				<view class="image-wrapper">
					<image :src="imgPath(item.picture)" mode="aspectFill"></image>
				</view>
				<text class="title">{{item.goodName}}</text>
				<text class="price">￥{{item.price}}</text>
			</view>
		</view>

		<!-- 底部操作菜单 -->
		<view class="page-bottom">
			<navigator url="/pages/index/index" open-type="switchTab" class="p-b-btn">
				<text class="yticon icon-xiatubiao--copy"></text>
				<text>首页</text>
			</navigator>
			<navigator url="/pages/cart/cart" open-type="switchTab" class="p-b-btn">
				<text class="yticon icon-gouwuche"></text>
				<text>购物车</text>
			</navigator>
			<view class="p-b-btn" :class="{active: collected}" @click="toCollect">
				<text class="yticon icon-shoucang"></text>
				<text>收藏</text>
			</view>
			<view class="action-btn-group" v-if="product.stock>0">
				<button type="primary" class=" action-btn no-border add-cart-btn" @click="cart">加入购物车</button>
				<button type="primary" class=" action-btn no-border buy-now-btn" @click="buy">立即购买</button>
			</view>
			<view class="action-btn-group" v-if="product.stock<=0">
				<button type="primary" class=" action-btn no-border buy-now-btn">缺货</button>
			</view>
		</view>
	</view>
</template>

<script>
	import uniNumberBox from '@/components/uni-number-box';
	export default {
		data() {
			return {
				//推荐商品
				goodsList: [],
				//产品详情
				product: {},
				collected: false,
				// 从本地缓存中获取已经收藏的商品列表
				favoriteGoods: uni.getStorageSync('favoriteGoods') || []
			};
		},
		async onLoad(options) {
			let _this = this;
			//接收传值 
			let goodId = options.goodId;
			console.log("接收到的goodId值：" + goodId);
			if (goodId) { //加载数据
				this.sendRequest({
					url: "good/detail/" + goodId,
					method: "GET",
					success: function(res) {
						if (res.data) {
							_this.product = res.data;
						}
					}
				});
			}
			// 判断商品是否已经收藏过
			_this.collected = _this.favoriteGoods.some(item => parseInt(item.goodId) === parseInt(goodId))
			_this.loadData();
		},
		methods: {
			imgPath: function(path) {
				if (path == '' || path == null || path == 'null') {
					return "/static/errorImage.jpg"
				} else if (path != '' && path.indexOf('http') >= 0) {
					return path;
				}
				return this.siteHost + path;
			},
			/**
			 * 请求静态数据
			 */
			async loadData() {
				var _this = this;
				//获取首页内容数据
				this.sendRequest({
					url: "good/list",
					method: "GET",
					success: function(res) {
						let goodsList = res.data;
						console.log(goodsList);
						_this.goodsList = goodsList;
					}
				});
			},
			//收藏
			toCollect: function() {
				let _this = this;
				let product = _this.product
				// 获取已经收藏的商品列表
				let favoriteGoods = _this.favoriteGoods
				// 判断商品是否已经收藏过
				let isFavorite = _this.favoriteGoods.some(item => parseInt(item.goodId) === parseInt(product.goodId));
				if (!isFavorite) {
					// 将新的商品信息追加到收藏列表
					favoriteGoods.push(product);
					// 更新本地缓存中的收藏列表
					uni.setStorageSync('favoriteGoods', favoriteGoods);
					//收藏状态改为已收藏
					_this.collected = true
				} else {
					_this.$api.msg("该商品已收藏过了");
				}
			},
			//加入购物车
			cart() {
				let _this = this;
				let product = _this.product
				let cartList = uni.getStorageSync('cartListData') || []
				let isCart = cartList.some(item => parseInt(item.goodId) === parseInt(product.goodId));
				if (isCart) {
					let index = cartList.findIndex(item => item.goodId === product.goodId);
					cartList[index].number += 1;
					console.log(cartList[index].number);
				} else {
					product.number = 1;
					// 将新的商品信息追加到购物车列表
					cartList.push(product);
				}
				// 更新本地缓存中的购物车列表
				uni.setStorageSync('cartListData', cartList);
				_this.$api.msg(`加入购物车成功`);
			},
			//进入创建订单页面
			buy() {
				let orderInfo = {}
				let product = this.product
				orderInfo.orderNo = this.generateProductCode();
				orderInfo.goodName = product.goodName
				orderInfo.number = 1
				orderInfo.price = product.price
				orderInfo.picture = product.picture
				orderInfo.totalPrice = product.price + product.freight
				orderInfo.freight = product.freight
				orderInfo.userId = parseInt(uni.getStorageSync('user').customerId)
				const order = encodeURIComponent(JSON.stringify(orderInfo));
				uni.navigateTo({
					url: `/pages/order/createOrder?params=${order}`
				})
			},
			// 生成随机的商品编号
			generateProductCode: function() {
				const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
				let productCode = '';
				for (let i = 0; i < 8; i++) {
					const randomIndex = Math.floor(Math.random() * characters.length);
					productCode += characters.charAt(randomIndex);
				}
				return productCode;
			}
		}
	}
</script>

<style lang='scss'>
	.top {
		background-color: #ffffff;
		padding: 4%;
		font-weight: 800;
	}

	.guess-section {
		display: flex;
		flex-wrap: wrap;
		padding: 0 30upx;
		background: #fff;

		.guess-item {
			display: flex;
			flex-direction: column;
			width: 48%;
			padding-bottom: 40upx;

			&:nth-child(2n+1) {
				margin-right: 4%;
			}
		}

		.image-wrapper {
			width: 100%;
			height: 330upx;
			border-radius: 3px;
			overflow: hidden;

			image {
				width: 100%;
				height: 100%;
				opacity: 1;
			}
		}

		.title {
			font-size: $font-lg;
			color: $font-color-dark;
			line-height: 80upx;
		}

		.price {
			font-size: $font-lg;
			color: $uni-color-primary;
			line-height: 1;
		}
	}

	page {
		background: $page-color-base;
		padding-bottom: 160upx;
	}

	.icon-you {
		font-size: $font-base + 2upx;
		color: #888;
	}

	.carousel {
		height: 400upx;
		position: relative;

		swiper {
			height: 100%;
		}

		.image-wrapper {
			width: 100%;
			height: 100%;
		}

		.swiper-item {
			display: flex;
			justify-content: center;
			align-content: center;
			height: 750upx;
			overflow: hidden;

			image {
				width: 100%;
				height: 100%;
			}
		}

	}

	/* 标题简介 */
	.introduce-section {
		background: #fff;
		padding: 20upx 30upx;

		.title {
			font-size: 40upx;
			color: $font-color-dark;
			height: 50upx;
			font-weight: 800;
			line-height: 50upx;
		}

		.price-box {
			display: flex;
			align-items: baseline;
			height: 64upx;
			padding: 10upx 0;
			font-size: 30upx;
			color: $uni-color-primary;
		}

		.m-price {
			margin: 0 12upx;
			color: $font-color-light;
			text-decoration: line-through;
		}

		.coupon-tip {
			align-items: center;
			padding: 4upx 10upx;
			background: $uni-color-primary;
			font-size: $font-sm;
			color: #fff;
			border-radius: 6upx;
			line-height: 1;
			transform: translateY(-4upx);
		}

		.bot-row {
			display: flex;
			align-items: center;
			height: 50upx;
			font-size: $font-sm;
			color: $font-color-light;

			text {
				flex: 1;
			}
		}
	}

	.c-list {
		font-size: $font-sm + 2upx;
		color: $font-color-base;
		background: #fff;

		.c-row {
			display: flex;
			align-items: center;
			padding: 20upx 30upx;
			position: relative;
		}

		.tit {
			width: 140upx;
		}

		.con {
			flex: 1;
			color: $font-color-dark;

			.selected-text {
				margin-right: 10upx;
			}
		}

		.bz-list {
			height: 40upx;
			font-size: $font-sm+2upx;
			color: $font-color-dark;

			text {
				display: inline-block;
				margin-right: 30upx;
			}
		}

		.con-list {
			flex: 1;
			display: flex;
			flex-direction: column;
			color: $font-color-dark;
			line-height: 40upx;
		}

		.red {
			color: $uni-color-primary;
		}
	}

	/* 评价 */
	.eva-section {
		display: flex;
		flex-direction: column;
		padding: 20upx 30upx;
		background: #fff;
		margin-top: 16upx;

		.e-header {
			display: flex;
			align-items: center;
			height: 70upx;
			font-size: $font-sm + 2upx;
			color: $font-color-light;

			.tit {
				font-size: $font-base + 2upx;
				color: $font-color-dark;
				margin-right: 4upx;
			}

			.tip {
				flex: 1;
				text-align: right;
			}

			.icon-you {
				margin-left: 10upx;
			}
		}
	}

	.eva-box {
		display: flex;
		padding: 20upx 0;

		.portrait {
			flex-shrink: 0;
			width: 80upx;
			height: 80upx;
			border-radius: 100px;
		}

		.right {
			flex: 1;
			display: flex;
			flex-direction: column;
			font-size: $font-base;
			color: $font-color-base;
			padding-left: 26upx;

			.con {
				font-size: $font-base;
				color: $font-color-dark;
				padding: 20upx 0;
			}

			.bot {
				display: flex;
				justify-content: space-between;
				font-size: $font-sm;
				color: $font-color-light;
			}
		}
	}

	/*  详情 */
	.detail-desc {
		background: #fff;
		margin-top: 16upx;

		.d-header {
			display: flex;
			justify-content: center;
			align-items: center;
			height: 80upx;
			font-size: $font-base + 2upx;
			color: $font-color-dark;
			position: relative;

			text {
				background: #fff;
				position: relative;
				z-index: 1;
			}

			&:after {
				position: absolute;
				left: 50%;
				top: 50%;
				transform: translateX(-50%);
				width: 300upx;
				height: 0;
				content: '';
				border-bottom: 1px solid #ccc;
			}
		}

		text {
			padding: 2%;
		}

		.loaded {
			width: 98%;
			padding: 1%;
		}
	}

	/* 规格选择弹窗 */
	.attr-content {
		padding: 10upx 30upx;

		.a-t {
			display: flex;

			image {
				width: 170upx;
				height: 170upx;
				flex-shrink: 0;
				margin-top: -40upx;
				border-radius: 8upx;
				;
			}

			.right {
				display: flex;
				flex-direction: column;
				padding-left: 24upx;
				font-size: $font-sm + 2upx;
				color: $font-color-base;
				line-height: 42upx;

				.price {
					font-size: $font-lg;
					color: $uni-color-primary;
					margin-bottom: 10upx;
				}

				.selected-text {
					margin-right: 10upx;
				}
			}
		}

		.attr-list {
			display: flex;
			flex-direction: column;
			font-size: $font-base + 2upx;
			color: $font-color-base;
			padding-top: 30upx;
			padding-left: 10upx;
		}

		.selectCount {
			.row {
				padding: 10upx;
				margin: 20upx 0;
				display: flex;
				justify-content: space-between;

				.left {
					color: #606266;
					font-size: $font-base + 2upx;
				}

				.right {
					color: #999;
				}
			}
		}

		.item-list {
			padding: 20upx 0 0;
			display: flex;
			flex-wrap: wrap;

			text {
				display: flex;
				align-items: center;
				justify-content: center;
				background: #eee;
				margin-right: 20upx;
				margin-bottom: 20upx;
				border-radius: 100upx;
				min-width: 60upx;
				height: 60upx;
				padding: 0 20upx;
				font-size: $font-base;
				color: $font-color-dark;
			}

			.selected {
				background: #fbebee;
				color: $uni-color-primary;
			}
		}
	}

	/* 弹出层选择数量 */
	.choiceNum {
		position: relative;
		left: 0px !important;
		display: flex;
		justify-content: space-between;
		align-items: center;

		.text {
			font-size: 30upx;
		}

		/* .number {
			display: flex;
			justify-content: center;
			align-items: center;
			.input {
				width: 80upx;
				margin: 0 10upx;
				background-color: #f3f3f3;
				display: flex;
				justify-content: center;
				align-items: center;
				text-align: center;
				input {
					width: 80upx;
					display: flex;
					justify-content: center;
					align-items: center;
					text-align: center;
					font-size: 26upx;
				}
			}
	
			.sub,
			.add {
				width: 60upx;
				background-color: #ece4e6;
				border-radius: 5upx;
				.icon {
					font-size: 30upx;
					width: 60upx;
					display: flex;
					justify-content: center;
					align-items: center;
				}
			}
		} */
	}

	/*  弹出层 */
	.popup {
		position: fixed;
		left: 0;
		top: 0;
		right: 0;
		bottom: 0;
		z-index: 99;

		&.show {
			display: block;

			.mask {
				animation: showPopup 0.2s linear both;
			}

			.layer {
				animation: showLayer 0.2s linear both;
			}
		}

		&.hide {
			.mask {
				animation: hidePopup 0.2s linear both;
			}

			.layer {
				animation: hideLayer 0.2s linear both;
			}
		}

		&.none {
			display: none;
		}

		.mask {
			position: fixed;
			top: 0;
			width: 100%;
			height: 100%;
			z-index: 1;
			background-color: rgba(0, 0, 0, 0.4);
		}

		.layer {
			position: fixed;
			z-index: 99;
			bottom: 0;
			width: 100%;
			min-height: 40vh;
			border-radius: 10upx 10upx 0 0;
			background-color: #fff;

			.btn {
				height: 66upx;
				line-height: 66upx;
				border-radius: 100upx;
				background: $uni-color-primary;
				font-size: $font-base + 2upx;
				color: #fff;
				margin: 30upx auto 20upx;
			}
		}

		@keyframes showPopup {
			0% {
				opacity: 0;
			}

			100% {
				opacity: 1;
			}
		}

		@keyframes hidePopup {
			0% {
				opacity: 1;
			}

			100% {
				opacity: 0;
			}
		}

		@keyframes showLayer {
			0% {
				transform: translateY(120%);
			}

			100% {
				transform: translateY(0%);
			}
		}

		@keyframes hideLayer {
			0% {
				transform: translateY(0);
			}

			100% {
				transform: translateY(120%);
			}
		}
	}

	/* 底部操作菜单 */
	.page-bottom {
		position: fixed;
		left: 30upx;
		bottom: 30upx;
		z-index: 95;
		display: flex;
		justify-content: center;
		align-items: center;
		width: 690upx;
		height: 100upx;
		background: rgba(255, 255, 255, .9);
		box-shadow: 0 0 20upx 0 rgba(0, 0, 0, .5);
		border-radius: 16upx;

		.p-b-btn {
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			font-size: $font-sm;
			color: $font-color-base;
			width: 96upx;
			height: 80upx;

			.yticon {
				font-size: 40upx;
				line-height: 48upx;
				color: $font-color-light;
			}

			&.active,
			&.active .yticon {
				color: $uni-color-primary;
			}

			.icon-fenxiang2 {
				font-size: 42upx;
				transform: translateY(-2upx);
			}

			.icon-shoucang {
				font-size: 46upx;
			}
		}

		.action-btn-group {
			display: flex;
			height: 76upx;
			border-radius: 100px;
			overflow: hidden;
			box-shadow: 0 20upx 40upx -16upx #fa436a;
			box-shadow: 1px 2px 5px rgba(219, 63, 96, 0.4);
			background: linear-gradient(to right, #ffac30, #fa436a, #F56C6C);
			margin-left: 20upx;
			position: relative;

			&:after {
				content: '';
				position: absolute;
				top: 50%;
				right: 50%;
				transform: translateY(-50%);
				height: 28upx;
				width: 0;
				border-right: 1px solid rgba(255, 255, 255, .5);
			}

			.action-btn {
				display: flex;
				align-items: center;
				justify-content: center;
				width: 180upx;
				height: 100%;
				font-size: $font-base;
				padding: 0;
				border-radius: 0;
				background: transparent;
			}
		}
	}
</style>
